Sprint announced a major expansion in its 4G LTE coverage area that sees the addition of 41 more locations, taking its tally up to 151 markets in the United States. Sprint's Sprint Unlimited Guarantee, available with an Unlimited, My Way, My All-in plans carry on.

"Sprint is committed to delivering the latest technology and providing more energy efficient cell sites," said Bob Azzi, senior vice president-Network, Sprint. "We strive to be environmentally responsible and are proud of our track record. Our new 3G and 4G LTE network provides improved wireless service, and is also expected to help Sprint meet its commitment to reduce total energy demand and the company's carbon footprint by 20 percent by 2017."